19330989 has 8 divisors (see below), whose sum is σ = 27290880. Its totient is φ = 12129216.

The previous prime is 19330973. The next prime is 19331009. The reversal of 19330989 is 98903391.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 19330989 - 2⁴ = 19330973 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 19330989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19330789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189469 + ... + 189570.

It is an arithmetic number, because the mean of its divisors is an integer number (3411360).

Almost surely, 2^19330989 is an apocalyptic number.

It is an amenable number.

19330989 is a deficient number, since it is larger than the sum of its proper divisors (7959891).

19330989 is a wasteful number, since it uses less digits than its factorization.

19330989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379059.

The product of its (nonzero) digits is 52488, while the sum is 42.

The square root of 19330989 is about 4396.7020594987. The cubic root of 19330989 is about 268.3807473366.

The spelling of 19330989 in words is "nineteen million, three hundred thirty thousand, nine hundred eighty-nine".